74AC240TTR

Buffers, Drivers, Receivers, Transceivers Overview

The 74AC240TTR is an octal bus buffer with three-state inverted outputs, manufactured using advanced high-speed CMOS technology. It operates within a voltage range of 2V to 6V and features a typical propagation delay of 4.2ns at 5V supply. The device provides symmetrical output impedance with minimum drive currents of 24mA for both high and low states. It includes protection circuits against static discharge, offering 2kV ESD immunity, and maintains pin and function compatibility with the standard 74 series 240.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus buffer architecture with three-state inverted outputs controlled by dedicated enable inputs
• High noise immunity with input thresholds defined as a percentage of the supply voltage
• Capable of driving 50-ohm transmission lines with balanced propagation delays
• Enhanced latch-up immunity and integrated protection circuits for static discharge

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers requiring three-state control
• Clock drivers and buffering applications
• Bus-oriented transmissions in digital systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify component authenticity through official STMicroelectronics channels or authorized distributors. Confirm package type matches TSSOP-20 specifications. Check datasheet revisions for updates on operating conditions. Ensure environmental compliance documentation aligns with project requirements. Validate electrical parameters against specific application load conditions before integration.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring high-speed data buffering with inversion capabilities. Consider the 2V to 6V operating range for flexibility in power supply architectures. Evaluate the 4.2ns typical propagation delay against system timing constraints. Ensure thermal management supports the specified temperature ranges during operation.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the 74AC family of advanced CMOS logic devices. It serves as a direct functional replacement for older 74LS240 variants while offering improved speed and lower power consumption. The TSSOP-20 package provides a compact solution for surface-mount assembly in space-constrained electronic designs.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The 74AC240MTR is a tape-and-reel alternative in the SOIC-20 package. Verify pinout compatibility when substituting packages. Ensure voltage and current ratings remain within acceptable limits for the target application.